This thread is 2 years old...
To enter an ANKC affiliated show, first you have to join the state body and make sure your dog is registered there. Your breeder should have provided you with information and registered your puppy. Your breeder should also be able to tell you how to enter a show.
So when you have joined CCCQ (queensland canine affiliate to ANKC) they send you out a journal magazine that has information on how to enter. You fill out some forms you get from CCCQ either online or buying paper copies... and send the appropriate entry money to the show secretary of the AMSTAFF club hosting the show.
This particular show is 2 years ago - so I expect you have blown the entry close date. But you could contact them for info on this year's show.